Home / 400,044.20-551,800.86-256,577

Finding the Fourth Proportional to 400,044.20, 551,800.86 and 256,577

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Solution

The fourth proportional to 400,044.20, 551,800.86 and 256,577 is: 353,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,044.20 : 551,800.86 = 256,577 : x
  2. Step 2: Convert to fraction form
    400,044.20/551,800.86 = 256,577/x
  3. Step 3: Cross multiply
    400,044.20x = 551,800.86 × 256,577
  4. Step 4: Simplify right side
    400,044.20x = 141,579,409,256.22
  5. Step 5: Solve for x
    x = 141,579,409,256.22/400,044.20
  6. Step 6: Final answer
    x = 353,909.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.